I saw David in the teachers’ office this morning. Do you know _________ he was there—He went there to hand in his homework.

_____has been designed to enable children and young people to act safely on roads? —-Programmes and resources in the theme “Road Safety”

Everybody on the spot was deeply touched by the bravery the young girl who took off her only blouse,_____ the burns and ______ the mouth-to-mouth method to save the man who was in a coma (昏迷)because of a bad electric shock.[ ]

It was a really ________ experience. Afterwards everybody was very _________.

Much to our surprise，the witness’s________of the traffic accident differed from the official version in several aspects.